Finding the Fourth Proportional to 288,575.26, 398,232.61 and 161,250.84
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Solution
The fourth proportional to 288,575.26, 398,232.61 and 161,250.84 is: 222,525.46
Step by Step Solution
- Step 1: Write the proportion equation
288,575.26 : 398,232.61 = 161,250.84 : x - Step 2: Convert to fraction form
288,575.26/398,232.61 = 161,250.84/x - Step 3: Cross multiply
288,575.26x = 398,232.61 × 161,250.84 - Step 4: Simplify right side
288,575.26x = 64,215,342,474.77 - Step 5: Solve for x
x = 64,215,342,474.77/288,575.26 - Step 6: Final answer
x = 222,525.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.